View difference between Paste ID: 9weNSjGW and qRCrx2c8

 -- List of actions
-  _,key = os.pullEvent("char")
+-- button & function
-  if key == "r" then
+local action = {
-    turtle.refuel()
+  r = turtle.refuel,
-  elseif key == "w" then
+  w = turtle.forward,
-    turtle.forward()
+  s = turtle.back,
-  elseif key == "s" then
+  a = turtle.turnLeft,
-    turtle.back()
+  d = turtle.turnRight,
-  elseif key == "a" then
+  q = turtle.down,
-    turtle.turnLeft()
+  e = turtle.up,
-  elseif key == "d" then
+  z = turtle.digDown,
-    turtle.turnRight()
+  x = turtle.dig,
-  elseif key == "q" then
+  c = turtle.digUp,
-    turtle.down()
+  v = turtle.placeDown,
-  elseif key == "e" then
+  b = turtle.place,
-    turtle.up()
+  n = turtle.placeUp,
-  elseif key == "z" then
+}
-    turtle.digDown()
+
-  elseif key == "x" then
+
-    turtle.dig()
+  ev,key = os.pullEvent()
-  elseif key == "c" then
+
-    turtle.digUp()
+  -- Run the function assigned to the variable inside "action"
-  elseif key == "v" then
+  if ev == "char" then
-    turtle.placeDown()
+    action[key] then action[key]()
-  elseif key == "b" then
+
-    turtle.place()
+  -- Selection, supports slots 1 to 10
-  elseif key == "n"  then
+  elseif ev == "key" then
-    turtle.placeUp()
+    if key >= 2 or key <= 11 then
-  elseif tonumber(key) + 0 == tonumber(key) then
+      turtle.select(key-1)
-    turtle.select(tonumber(key))
+    end
   end
 end